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Finding the Fourth Proportional to 129,697.44, 194,569.20 and 44,303.64

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Solution

The fourth proportional to 129,697.44, 194,569.20 and 44,303.64 is: 66,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,697.44 : 194,569.20 = 44,303.64 : x
  2. Step 2: Convert to fraction form
    129,697.44/194,569.20 = 44,303.64/x
  3. Step 3: Cross multiply
    129,697.44x = 194,569.20 × 44,303.64
  4. Step 4: Simplify right side
    129,697.44x = 8,620,123,791.89
  5. Step 5: Solve for x
    x = 8,620,123,791.89/129,697.44
  6. Step 6: Final answer
    x = 66,463.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.